From: Wei Liu <wl@xen.org>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: "Jürgen Groß" <jgross@suse.com>, "Wei Liu" <wl@xen.org>,
"George Dunlap" <george.dunlap@eu.citrix.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>,
"Doug Goldstein" <cardoe@cardoe.com>,
"Julien Grall" <julien.grall@arm.com>,
"Jan Beulich" <jbeulich@suse.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] Status of 4.13
Date: Mon, 25 Nov 2019 17:43:43 +0000 [thread overview]
Message-ID: <20191125174343.wvhqo7np2janxvgd@debian> (raw)
In-Reply-To: <0449da3e-2e23-1d2a-1967-5d52a803df65@citrix.com>
On Mon, Nov 25, 2019 at 05:34:15PM +0000, Andrew Cooper wrote:
> On 25/11/2019 17:27, Roger Pau Monné wrote:
> > On Mon, Nov 25, 2019 at 05:07:04PM +0000, Wei Liu wrote:
> >> On Mon, Nov 25, 2019 at 04:59:31PM +0100, Roger Pau Monné wrote:
> >> [...]
> >>> Which I think it's expected, we already knew clang had a lot of
> >>> duplicate symbols. The only way I know to workaround this ATM is to
> >>> use `gmake xen clang=y CONFIG_ENFORCE_UNIQUE_SYMBOLS=n`. It's on my
> >>> pile of stuff to look into, but I'm not sure when I will get to it.
> >> In that case we should make Gitlab CI use the new configuration option.
> > IMO the build should work out of the box, so we should disable
> > CONFIG_ENFORCE_UNIQUE_SYMBOLS automatically if clang is detected.
>
> Kconfig in 4.13 isn't in a position to know this. (It will be in 4.14
> with Anthony's refresh committed).
>
> Furthermore, the causal chain of LIVEPATCH -> ENFORCE_UNIQUE_SYMBOLS
> *is* correct, because livepatching really is bust if duplicate symbols
> exist.
>
> The only option (which is kconfig-specific) is to disable LIVEPATCH by
> default.
Are you going to submit a patch for 4.13?
Wei.
>
> ~Andrew
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next prev parent reply other threads:[~2019-11-25 17:44 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-21 6:05 [Xen-devel] Status of 4.13 Jürgen Groß
2019-11-21 7:30 ` Steven Haigh
2019-11-21 7:36 ` Jürgen Groß
2019-11-21 8:41 ` Jan Beulich
2019-11-21 15:20 ` George Dunlap
2019-11-21 15:34 ` Jan Beulich
2019-11-21 16:03 ` George Dunlap
2019-11-21 16:56 ` Jan Beulich
2019-11-21 8:53 ` Jan Beulich
2019-11-21 9:22 ` Roger Pau Monné
2019-11-21 10:57 ` Wei Liu
2019-11-21 14:16 ` Ian Jackson
2019-11-21 17:11 ` Oleksandr Grytsov
2019-11-21 16:20 ` Andrew Cooper
2019-11-21 16:48 ` Jan Beulich
2019-11-21 17:31 ` Roman Shaposhnik
2019-11-21 17:38 ` Andrew Cooper
2019-11-21 19:39 ` Roman Shaposhnik
2019-11-21 22:07 ` Marek Marczykowski-Górecki
2019-11-23 6:00 ` Roman Shaposhnik
2019-11-25 0:47 ` [Xen-devel] UEFI support on Dell boxes (was: Re: Status of 4.13) Marek Marczykowski-Górecki
2019-11-26 3:44 ` Roman Shaposhnik
2019-11-26 3:55 ` Marek Marczykowski-Górecki
2019-11-26 7:02 ` Roman Shaposhnik
2019-11-26 8:32 ` [Xen-devel] UEFI support on Dell boxes Jan Beulich
2019-11-26 17:25 ` Roman Shaposhnik
2019-11-26 17:56 ` [Xen-devel] UEFI support on Dell boxes (was: Re: Status of 4.13) Roman Shaposhnik
2019-11-26 18:32 ` Marek Marczykowski-Górecki
2019-11-26 20:12 ` Roman Shaposhnik
2019-11-26 20:18 ` Andrew Cooper
2019-11-27 9:07 ` [Xen-devel] UEFI support on Dell boxes Jan Beulich
2019-11-27 9:01 ` Jan Beulich
2019-11-25 14:02 ` [Xen-devel] Status of 4.13 Doug Goldstein
2019-11-25 14:06 ` Wei Liu
2019-11-25 15:59 ` Roger Pau Monné
2019-11-25 17:07 ` Wei Liu
2019-11-25 17:27 ` Roger Pau Monné
2019-11-25 17:34 ` Andrew Cooper
2019-11-25 17:43 ` Wei Liu [this message]
2019-11-25 17:49 ` Roger Pau Monné
2019-11-26 8:30 ` Jan Beulich
2019-11-26 9:08 ` Roger Pau Monné
2019-11-26 9:32 ` Jürgen Groß
2019-11-25 14:06 ` Jan Beulich
-- strict thread matches above, loose matches on Subject: below --
2019-11-22 2:49 Rich Persaud
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